OverviewBrand/Model: Digoo DG-KF15 Specifics/Features — 15meters to 30meters transmitter's working range for open space.. 433.92MHz Frequency.. 75-80dB Alarm Sound.. Simply attach the tracker receiver to your frequently lost item.. Beeps if the receiver is in range.. LED indicator flashes with alarm.. Powered by six CR2030 batteries for both transmitter and receiver.. Category » Electronics..